Device for the indication of elapsed time
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United States of America Patent
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Feb 19, 2008
Grant Date -
Jul 26, 2007
app pub date -
Jan 26, 2006
filing date -
Jan 26, 2006
priority date (Note) -
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Abstract
A device for indicating elapsed time by way of the state of indicators is disclosed, such indicators being arranged in at least four groups such that the first two groups taken together indicate elapsed hours and the second two groups taken together indicate elapsed minutes. The indicators are switchable between a first and second state, such as illuminated or not illuminated. The number of indicators in a first state, such as illuminated, indicate the value of a digit.
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